Petra is a Mythic-quality Generation 3 Hero in Kingshot, classified under the Cavalry class. You can unlock her through Hero Roulette.
Sources
- Hero Roulette
- Swordland Showdown
Conquest
Hero Attack: 3,330
Hero Defense: 3,330
Hero Health: 33,300

Dichotomoy
Petra throws a tarot card at an enemy, dealing Attack * 378% damage and inflicting one of the following effects: reducing the target’s Attack by 20% for 2s or stunning the target for 1.5s.
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Damage Up: 270% / 297% / 324% / 351% / 378%

Change of Fate
Petra curses an enemy, dealing floating damage based on the base value of Petra’s Attack * 70%. The final damage is a random amount between 5% and 600% of that base value.
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Damage Up: 50% / 55% / 60% / 65% / 70%

Turn Card
Petra reverses misfortune by healing a friendly hero with the lowest percentage of Health remaining based on the base value of Petra’s Attack * 140%. The final Health restored is a random amount ranging between 5% and 400% of that base value.
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Heal Up: 100% / 110% / 120% / 130% / 140%
Expedition
Cavalry Attack: +290.23%
Cavalry Defense: +290.23%

Evil Eye
Grants all Squads’ Attack a 50% chance of cursing the target, increasing their damage taken by 50%.
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Enemy Damage Taken Up: 10% / 20% / 30% / 40% / 50%

The Favor
Petra is known as a lucky fortune-teller to her soldiers, granting a 50% chance of increasing the Squads’ Attack by 50%.
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Damage Up: 10% / 20% / 30% / 40% / 50%

The Shield
Petra’s divination navigates bad outcomes with a 40% chance of reducing damage taken by 50% for all squads.
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Damage Taken Down: 10% / 20% / 30% / 40% / 50%